package com.geely.design.pattern.creational.builder.v2;

import jdk.nashorn.internal.ir.annotations.Immutable;

import java.util.Set;

public class Test {
    public static void main(String[] args) {
        Course course = new Course.CourseBuilder().buildCourseName("Java设计模式精讲").
                buildCoursePPT("Java设计模式精讲PPT").buildCourseVideo("Java设计模式精讲视频").build();
        System.out.println(course);
    }
}
